A lecture given by Heather Mattila at the 2017 National Honey Show entitled "Well-mated Queens Produce the Busiest Bees". The National Honey Show gratefully acknowledge the Worshipful Company of Wax Chandlers for their support, and Surrey Beekeepers Association for their sponsorship.
https://www.youtube.com/watch?v=P34VDlg4mJM&feature=youtu.be